/* eslint-disable */
<template>

  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input v-model="queryInfo.query" clearable placeholder="请输入搜索的内容" @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList">
            </el-button>
          </el-input>
        </el-col>


        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户
          </el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe style="width: 100%">
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <!-- 作用域插槽 会覆盖prop -->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button circle icon="el-icon-edit" size="mini" type="primary" @click="showEditDialog(scope.row.id)">
            </el-button>
            <!-- 删除按钮 -->
            <el-button circle icon="el-icon-delete" size="mini" type="danger" @click="removeUserById(scope.row.id)">
            </el-button>
            <!-- 分配角色按钮 添加消息提示 -->
            <el-tooltip :enterable="false" content="分配角色" effect="dark" placement="top">
              <el-button circle icon="el-icon-setting" size="mini" type="warning" @click="setRole(scope.row)">
              </el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
          :current-page="queryInfo.pagenum"
          :page-size="queryInfo.pagesize"
          :page-sizes="[1, 3, 5, 10]"
          :total="total"
          layout="total, sizes, prev, pager, next, jumper"
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog :visible.sync="addDialogVisible" title="添加用户" width="50%" @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form ref="addFormRef" :model="addForm" :rules="addFormRules" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号 " prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog :visible.sync="editDialogVisible" title="修改用户" width="50%" @close="editDialogClosed">
      <!-- 内容主体区域 -->
      <el-form
          ref="editFormRef"
          :model="editForm"
          :rules="addFormRules"
          label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号 " prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog :visible.sync="setRoleDialogVisible" title="分配角色" width="50%" @close="setRoleDialogClosed">
      <!-- 内容主体区域 -->
      <div>
        <p>当前用户：{{ userInfo.username }}</p>
        <p>当前角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInf">确 定</el-button>
      </span>
    </el-dialog>
  </div>

</template>

<script>
export default {
  data() {
    // 验证邮箱的规则
    // var checkEmail = (rule, value, callback) => {
    //   // 验证邮箱的正则表达式
    //   const regEmail = /^([a-zA-Z0-9_-])+@(a-zA-Z0-9_-])+(\.a-zA-Z0-9_-)+/
    //   if (regEmail.test(value)) {
    //     // 合法的邮箱
    //     return callback()
    //   }
    //   callback(new Error('请输入合法的邮箱'))
    // }

    // 验证手机号的规则
    var checkMoblie = (rule, value, callback) => {
      // 验证手机号的正则表达式
      const regMoblie = /^(13[0-9]|14[5|7]|15[0|1|2|3|4|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$/
      if (regMoblie.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userList: [],
      total: 0,
      // 控制对话框显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          {required: true, message: '请输入用户名', trigger: 'blur'},
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'},
          {
            min: 6,
            max: 15,
            message: '密码的长度在6-15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          {required: true, message: '请输入邮箱', trigger: 'blur'},
          // { validator: checkEmail, trigger: 'blur' },
          {
            type: 'email',
            message: '请输入正确的邮箱地址',
            trigger: ['blur', 'change']
          }
        ],
        mobile: [
          {required: true, message: '请输入手机号', trigger: 'blur'},
          {validator: checkMoblie, trigger: 'blur'}
          // { type: 'mobliephone', message: '请输入正确的邮箱地址', trigger: ['blur', 'change'] }
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户的信息对象
      editForm: {},
      // 修改表单的验证规则对象
      // editFormRules,
      // 控制分配角色对话框显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色id值
      selectedRoleId: ''
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const {data: result} = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (result.meta.status !== 200) {
        return this.$message.error('获取用户列表失败！')
      }
      this.userList = result.data.users
      this.total = result.data.total
      // console.log(result)
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态的改变
    async userStateChange(userinfo) {
      // console.log(userinfo.mg_state)
      // 发送请求进行状态修改
      const {data: result} = await this.$http.put(
          `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (result.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        // 发起添加用户的网路请求
        const {data: result} = await this.$http.post('users', this.addForm)
        if (result.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取列表数据
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      this.editDialogVisible = true
      const {data: result} = await this.$http.get('users/' + id)
      if (result.meta.status !== 200) {
        return this.$message('查询用户信息失败！')
      }
      this.editForm = result.data
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息，并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        // 发起修改用户信息的数据请求
        const {data: result} = await this.$http.put(
            'users/' + this.editForm.id,
            {email: this.editForm.email, mobile: this.editForm.mobile}
        )
        if (result.meta.status !== 200) {
          return this.$message.error('更新用户失败')
        }
        // 关闭对话框
        this.editDialogVisible = false
        // 重新获取用户列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功')
      })
    },



    // 根据id删除对应的用户信息
    async removeUserById(id) {
      // 弹框提示用户是否删除数据
      const confirmResult = await this.$confirm(
          '此操作将永久删除该用户，是否继续？',
          '提示',
          {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          }
      ).catch(error => error)
      // console.log(confirmResult) // 确定：'confirm' 取消：报错:cancel catch之后就是'canel'
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除')
      }
      // console.log('确认了删除')
      const {data: result} = await this.$http.delete('users/' + id)
      if (result.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole(userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前获取所有角色的列表
      const {data: result} = await this.$http.get('roles')
      if (result.meta.status !== 200) return this.$message.error('获取角色列表失败！')
      this.$message.success('获取角色列表成功！')
      this.rolesList = result.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮分配角色
    async saveRoleInf() {
      if (!this.selectedRoleId) {           //判断是否已选择角色
        return this.$message.error('请选择一个角色！')
      }
      const {data: result} = await this.$http.put(`users/${this.userInfo.id}/role`, {rid: this.selectedRoleId})
      if (result.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }
      this.$message.success('更新角色成功！')
      // 刷新当前角色列表
      this.getUserList()
      // 隐藏当前分配角色对话框
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style scoped>
#particles-js {
  width: 100%;
  height: calc(100% - 100px);
  position: absolute;
}
</style>
